Click a link of the admin menu by its name and wait for the screen.
Examples
When I click "Posts" in the admin menu
When I click "Tags" in the admin menu
When we click "Members" in the admin menu
And I click "Pages" in the admin menu
When I click "Drafts" in the admin menu
Pattern
When(/^(?:I |we )?click "([^"]*)" in the admin menu$/, …)
Part of @webship-js/ghost-steps (github.com/webship/ghost-steps), a step pack for Webship-js 2.0.x.